set datafile separator ","
set xtics ("1.2" 10, "2.4" 20, "3.6" 30, "4.8" 40, "6.0" 50)
set ytics ("1.2" 10, "2.4" 20, "3.6" 30, "4.8" 40, "6.0" 50)
unset key
set title 'Learned function after 20 examples'
set xlabel "x1"
set ylabel "x2"

set zlabel "f(x1,x2)";

splot "f20.csv" matrix with lines

set size 1.0, 0.6
set terminal postscript portrait enhanced mono dashed lw 1 "Helvetica" 14 
set output "f20.ps"
replot
set terminal x11
set size 1,1
